Calculator . vs Scientific Calculator 991EX

【NeonCalculator】 is a four-in-one calculator that handles everyday math, scientific functions, unit conversion, and currency conversion in one place, so calculating and converting happen without switching apps. Standard & Scientific Move freely between a clean standard keypad and scientific functions such as trigonometry, logarithms, powers, and constants for both quick sums and more advanced work. Unit Conversion Convert length, weight, area, volume, and temperature with results that update as you type, and swap the source and target units with a single tap. Currency Conversion Work with major world currencies, refresh reference rates automatically when online, and get an instant converted amount as soon as you enter a value. Calculation History Every result is saved in order, and tapping any entry brings it back so you can continue without retyping. Clean, Focused Layout A dark, distraction-free interface keeps the numbers at the center of the screen for comfortable reading, even over long sessions. From a quick total to a detailed conversion, NeonCalculator keeps your numbers tidy and within reach. Download it today. Premium Account Pricing and Terms $9.99/week* $39.99/year* *Prices are shown in US dollars; the actual charge may be converted to your local currency based on your country or region. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the cost of renewal will be shown. Subscriptions may be managed by the user. Auto-renewal may be turned off by going to the user's Account Settings after purchase. Cancellation of the current subscription is not allowed during an active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://laiyuzone.xyz/jisuanqi/privacy.html

Scientific Calculator 991EX is a natural-display scientific calculator designed for students, engineers, and technical work. Calculate and Complex modes are free. Pro unlocks ten advanced modes: • Statistics • Distribution • Spreadsheet • Table • Equation/Func • Inequality • Base-N • Matrix • Vector • Ratio Calculate with fractions, roots, trigonometry, logarithms, calculus, constants, unit conversions, complex numbers, matrices, vectors, statistics, probability distributions, spreadsheets, function tables, equations, inequalities, and ratios. Choose natural or linear input, convert exact results to decimals, and use calculation history and replay without creating an account. Calculations, settings, history, and the locally generated calculator identifier are stored on your device. The app has no ads, tracking, analytics SDKs, accounts, or backend data collection. Pro is available as a monthly or yearly auto-renewing subscription, or as a one-time Lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage them in your Apple Account settings. Restore Purchases is available for devices using the same Apple Account. This independent app is not affiliated with or endorsed by any calculator manufacturer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://matinformatics.org/privacy/scientific-calculator-fx-991ex